[  831.653932][T15779] netdevsim netdevsim267 eni267np1: renamed from eth0
[  831.680973][T15777] netdevsim netdevsim737 eni737np1: renamed from eth1
[  832.422560][T15766] Could not find device with ifindex 2000 in netnsfd 11
[  832.423064][T15766] Could not find netns with fd: 2000
[  832.423513][T15766] Cannot link a netdevsim to itself
[  832.423922][T15766] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).